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窄型胶带的宽度与高度之比值为1.1～1.2,普通标准型三角带的比值为1.6,故称小比值的胶带为窄型。窄型带侧面为圆弧形,增加与轮槽的接触面积,减少使用中的弯曲应力,采用120°包布,氯丁橡胶,涤纶绳芯制做,与标准型三角带相比具有以下特点: 1.传动功率提高30～50％。 2.皮带轮尺寸减少20～35％。 3.传动效率高达98％,比标准型三角带高4.5％,相对滑动较小。 4.成本低,降低费用20～40％。 5.使用寿命长,可达1～2万小时。
Narrow tape width and height ratio of 1.1 to 1.2, the average standard V-belt ratio of 1.6, it is said to narrow the ratio of the tape. Narrow with a circular arc side of the profile to increase the contact area with the wheel groove to reduce the use of bending stress, the use of 120 ° cloth, neoprene, polyester cord core system, compared with the standard V-belt has the following characteristics : 1. Drive power increased by 30 to 50%. 2. Pulley size reduction of 20 ~ 35%. 3. Transmission efficiency of up to 98%, 4.5% higher than the standard triangular belt, the relative sliding smaller. 4. Low cost, reduce costs 20 ~ 40%. 5 long life, up to 1 to 2 million hours.